W3KKO
Active1x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderENGLE, CLIFFORD J
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationHAGERSTOWN, MD
Grant DateJan 22, 2026
Expiration DateMar 29, 2036
W3KKO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by ENGLE, CLIFFORD J in HAGERSTOWN, MD. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Engle, Clifford J on Mar 11, 2016. W3KKO has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ...-- -.- -.- ---
CW Weight: 39 units(Moderate)
Voice Phonetics
Whiskey Three Kilo Kilo Oscar
Readability: 8/10(High readability)
License History
- License RenewedJan 22, 2026
- Administrative Update AppliedJan 22, 2026
- License ModifiedFeb 28, 2018
- License ModifiedJun 21, 2016
- Vanity Callsign GrantedMar 29, 2016
- License IssuedMar 29, 2016
- Internal Correction AppliedMar 17, 2016
- Internal Correction AppliedMar 17, 2016
- Tax ID (TIN) AddedSep 24, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Engle, Clifford JFiled Mar 11, 2016Not awardedFCC ↗